1990677710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{917363}}^1$

素因数の和:917408

約数の個数: 32

約数和(自身を含む): 4227213312

約数和(自身を除く): 2236535602

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 917363, 1834726, 4586815, 6421541, 9173630, 12843082, 28438253, 32107705, 56876506, 64215410, 142191265, 199067771, 284382530, 398135542, 995338855, 1990677710]

約数ペア:

[(1, 1990677710), (2, 995338855), (5, 398135542), (7, 284382530), (10, 199067771), (14, 142191265), (31, 64215410), (35, 56876506), (62, 32107705), (70, 28438253), (155, 12843082), (217, 9173630), (310, 6421541), (434, 4586815), (1085, 1834726), (2170, 917363)]